/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "fatfs.h"
#include "sdio.h"
#include "usart.h"
#include "usb_device.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include "sd_diskio.h"

#include "bsp_driver_sd.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

uint8_t ret;

HAL_SD_CardInfoTypeDef cardInfo;

uint8_t sec0[16384];

extern int Is_process_read;
extern int read_finiehed;

extern int Is_process_write;

extern int write_finished;

extern uint8_t *sector_buf;

extern uint32_t sector_addr;

extern uint16_t sector_size;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

int test_file(void);

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

int fputc(int ch, FILE *f)
{
	HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0x20);

	return ch;
}

uint8_t SDCard_ShowInfo(void)
{

	HAL_StatusTypeDef res = HAL_SD_GetCardInfo(&hsd, &cardInfo);

	if(res != HAL_OK) {
		printf("HAL_SD_GetCardInfo() error !\r\n");
		return res;
	}

	printf("\r\n*** HAL_SD_GetCardInfo() info ***\r\n");
	printf("Card Type= %d\r\n", cardInfo.CardType);
	printf("Card Version= %d\r\n", cardInfo.CardVersion);
	printf("Card Class= %d\r\n", cardInfo.Class);
	printf("Relative Card Address= %d\r\n", cardInfo.RelCardAdd);
	printf("Block Count= %d\r\n", cardInfo.BlockNbr);
	printf("Block Size(Bytes)= %d\r\n", cardInfo.BlockSize);
	printf("LogiBlockCount= %d\r\n", cardInfo.LogBlockNbr);
	printf("LogiBlockSize(Bytes)= %d\r\n", cardInfo.LogBlockSize);
	printf("SD Card Capacity(MB)= %d\r\n", cardInfo.BlockNbr >> 1 >> 10);

	return res;
}

static void process_read(void)
{
	printf("---> STORAGE_Read_HS -> %u  %d ...\r\n", sector_addr, sector_size);

	Is_process_read = 0;

	ret = HAL_SD_ReadBlocks_DMA(&hsd, sector_buf, sector_addr, sector_size);
	if(ret != HAL_OK) {
		printf("STORAGE_Read_HS error -> %u  %d  <> ret : 0x%x\r\n", sector_addr, sector_size, ret);
	} else {
		printf("STORAGE_Read_HS -> %u  %d OK\r\n", sector_addr, sector_size);
	}

	while( HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER ) {}

	read_finiehed = 1;
}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

	/* USER CODE BEGIN 1 */

	/* USER CODE END 1 */

	/* MCU Configuration--------------------------------------------------------*/

	/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
	HAL_Init();

	/* USER CODE BEGIN Init */

	/* USER CODE END Init */

	/* Configure the system clock */
	SystemClock_Config();

	/* USER CODE BEGIN SysInit */

	/* USER CODE END SysInit */

	/* Initialize all configured peripherals */
	MX_GPIO_Init();
	MX_DMA_Init();
	MX_SDIO_SD_Init();
	MX_USART1_UART_Init();
	MX_FATFS_Init();
	MX_USB_DEVICE_Init();
	/* USER CODE BEGIN 2 */

	HAL_GPIO_TogglePin(SYS_LED_GPIO_Port, SYS_LED_Pin);
	HAL_Delay(300);
	HAL_GPIO_TogglePin(SYS_LED_GPIO_Port, SYS_LED_Pin);
	HAL_Delay(300);
	HAL_GPIO_TogglePin(SYS_LED_GPIO_Port, SYS_LED_Pin);
	HAL_Delay(300);
	HAL_GPIO_TogglePin(SYS_LED_GPIO_Port, SYS_LED_Pin);
	HAL_Delay(300);
	HAL_GPIO_TogglePin(SYS_LED_GPIO_Port, SYS_LED_Pin);
	HAL_Delay(300);

	printf("\rSTM32H750VBT6 OTG MSC started ...\r\n\r\n");

	printf("\r\nHAL_SD_Init ...");
	ret = HAL_SD_Init(&hsd);
	if( ret != 0) {
		printf(" failed ! %d\r\n", ret);
		return -1;
	} else {
		printf("OK\r\n");
	}


	printf("\r\nHAL_SD_ConfigWideBusOperation ...");
	ret = HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B);
	if( ret != 0) {
		printf(" failed ! %d\r\n", ret);
		return -1;
	} else {
		printf("OK\r\n");
	}


	if(SDCard_ShowInfo() != HAL_OK) {
		printf("SD Card init Error !\r\n");
		return -1;
	}

	/***
	for(int i = 0; i < 256; i++) {
		if(HAL_SD_ReadBlocks_DMA(&hsd, sec0, i, 1) == HAL_OK) {
			// printf("Read block %d ok\r\n", i);
		} else {
			printf("Read block %d error\r\n", i);
		}
		while( HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER ) {}
			printf("Read block %d ok\r\n", i);
	}
	***/

	// disk_initialize(0);
	// test_file();

	MX_USB_DEVICE_Init();

	/* USER CODE END 2 */

	/* Infinite loop */
	/* USER CODE BEGIN WHILE */
	while (1) {
		/* USER CODE END WHILE */

		/* USER CODE BEGIN 3 */
		if(Is_process_read)  process_read();

	}
	/* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
	RCC_OscInitTypeDef RCC_OscInitStruct = {0};
	RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

	/** Configure the main internal regulator output voltage
	*/
	__HAL_RCC_PWR_CLK_ENABLE();
	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

	/** Initializes the RCC Oscillators according to the specified parameters
	* in the RCC_OscInitTypeDef structure.
	*/
	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
	RCC_OscInitStruct.HSIState = RCC_HSI_ON;
	RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
	RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
	RCC_OscInitStruct.PLL.PLLM = 8;
	RCC_OscInitStruct.PLL.PLLN = 180;
	RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
	RCC_OscInitStruct.PLL.PLLQ = 8;
	if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
		Error_Handler();
	}

	/** Activate the Over-Drive mode
	*/
	if (HAL_PWREx_EnableOverDrive() != HAL_OK) {
		Error_Handler();
	}

	/** Initializes the CPU, AHB and APB buses clocks
	*/
	RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
	                              | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
	RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
	RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
	RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
	RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

	if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
		Error_Handler();
	}
}

/* USER CODE BEGIN 4 */


int test_file(void)
{
	DIR 		dir;
	FILINFO		fno;

	retSD = f_mount(&SDFatFS, "0:", 1);
	if(retSD == FR_OK) {
		printf("mount sdcard ok\r\n");
		retSD = f_opendir(&dir, "");
		if(retSD == FR_OK) {
			printf("oprndir ok\r\n");
			for(;;) {
				retSD = f_readdir(&dir, &fno);
				if (retSD != FR_OK || fno.fname[0] == 0) break;
				printf("file: %s\r\n", fno.fname);
			}
			retSD = f_open(&SDFile, "LCD35.jpg", FA_READ);
			if(retSD == FR_OK) {
				printf("f_open LCD35.jpg OK, res = %d\r\n", retSD);
				f_close(&SDFile);
			} else {
				printf("f_open LCD35.jpg failed, res = %d\r\n", retSD);
				return -1;
			}
		}

	} else {
		printf("mount sdcard failed !\r\n");
		return 1;
	}
	return 0;
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
	/* USER CODE BEGIN Error_Handler_Debug */
	/* User can add his own implementation to report the HAL error return state */
	__disable_irq();
	while (1) {
	}
	/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
	/* USER CODE BEGIN 6 */
	/* User can add his own implementation to report the file name and line number,
	   ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
	/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
